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The average power dissipated in a pure inductor is
Options
(a) VI²/4
(b) 1/2 VI
(c) zero
(d) VI²
Correct Answer:
zero
Explanation:
In the inductor circuit, phase difference (ɸ) = 90° or π / 2
we know that, Pₐᵥ = V(rms) I(rms) cos ɸ = V(rms) I(rms) cos(π/2)
Therefore, Pₐᵥ = 0
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- C and Si both have same lattice strcture, having 4 bonding electron in each
- A missile is fired for maximum range with an initial velocity of 20 m/s
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- A spring has time period T. It is cut into n equal parts. The time period of each part
- In Young’s double slit experiment, when wavelength used is 6000Å and the screen
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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